nl80211: Move peer link state definition to nl80211

These definitions need to be exposed now that we can set the peer link
states via NL80211_ATTR_STA_PLINK_STATE.  They were already being
(opaquely) reported by NL80211_STA_INFO_PLINK_STATE.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index beac296..2222ce08 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2335,7 +2335,7 @@
 	memset(&params, 0, sizeof(params));
 
 	params.listen_interval = -1;
-	params.plink_state = PLINK_INVALID;
+	params.plink_state = -1;
 
 	if (info->attrs[NL80211_ATTR_STA_AID])
 		return -EINVAL;